The recruiter or hiring manager might also be wondering how you cope with stressful situations outside of work as well since these can affect your performance on the job.
Employers are listening for examples of how you are motivated by stressful situations or how you can minimize stressful situations with careful planning and excellent communication skills.
If a hiring manager hears a story of when you let stress overwhelm you to the point where it compromised the quality of your work, that might affect your chances of getting a job offer.
Also, since interviews are inherently stressful, it helps to keep a calm demeanor when answering this question. If you need help relaxing before or during the interview, we’ve got more on that here.